CA3110057C - Method and apparatus for compressing and decompressing a higher order ambisonics representation - Google Patents
Method and apparatus for compressing and decompressing a higher order ambisonics representation Download PDFInfo
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- CA3110057C CA3110057C CA3110057A CA3110057A CA3110057C CA 3110057 C CA3110057 C CA 3110057C CA 3110057 A CA3110057 A CA 3110057A CA 3110057 A CA3110057 A CA 3110057A CA 3110057 C CA3110057 C CA 3110057C
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- hoa
- coefficient sequences
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- hoa coefficient
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/11—Application of ambisonics in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA3168916A CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168921A CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190346A CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168901A CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190353A CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13305558.2A EP2800401A1 (en) | 2013-04-29 | 2013-04-29 | Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation |
| EP13305558.2 | 2013-04-29 | ||
| CA2907595A CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2907595A Division CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
Related Child Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3190353A Division CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3190346A Division CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168906A Division CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168901A Division CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168921A Division CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168916A Division CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA3110057A1 CA3110057A1 (en) | 2014-11-06 |
| CA3110057C true CA3110057C (en) | 2023-04-04 |
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Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3110057A Active CA3110057C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3190353A Pending CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168916A Active CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA2907595A Active CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168921A Active CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190346A Pending CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168901A Active CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A Active CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
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| CA3190353A Pending CA3190353A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168916A Active CA3168916C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA2907595A Active CA2907595C (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168921A Active CA3168921C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3190346A Pending CA3190346A1 (en) | 2013-04-29 | 2014-04-24 | Method and apparatus for compressing and decompressing a higher order ambisonics representation |
| CA3168901A Active CA3168901C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
| CA3168906A Active CA3168906C (en) | 2013-04-29 | 2014-04-24 | METHOD AND APPARATUS FOR COMPRESSION AND DECOMPRESSION OF A HIGHER-ORDER AMBISONIC REPRESENTATION |
Country Status (10)
| Country | Link |
|---|---|
| US (10) | US9736607B2 (cg-RX-API-DMAC7.html) |
| EP (6) | EP2800401A1 (cg-RX-API-DMAC7.html) |
| JP (8) | JP6395811B2 (cg-RX-API-DMAC7.html) |
| KR (6) | KR102440104B1 (cg-RX-API-DMAC7.html) |
| CN (5) | CN107146627B (cg-RX-API-DMAC7.html) |
| CA (8) | CA3110057C (cg-RX-API-DMAC7.html) |
| MX (6) | MX384230B (cg-RX-API-DMAC7.html) |
| MY (2) | MY176454A (cg-RX-API-DMAC7.html) |
| RU (1) | RU2668060C2 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2014177455A1 (cg-RX-API-DMAC7.html) |
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| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| EP2743922A1 (en) | 2012-12-12 | 2014-06-18 | Thomson Licensing | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| US9412385B2 (en) * | 2013-05-28 | 2016-08-09 | Qualcomm Incorporated | Performing spatial masking with respect to spherical harmonic coefficients |
| US11146903B2 (en) | 2013-05-29 | 2021-10-12 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| EP2824661A1 (en) | 2013-07-11 | 2015-01-14 | Thomson Licensing | Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals |
| WO2015104166A1 (en) * | 2014-01-08 | 2015-07-16 | Thomson Licensing | Method and apparatus for improving the coding of side information required for coding a higher order ambisonics representation of a sound field |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| KR102201726B1 (ko) | 2014-03-21 | 2021-01-12 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치 |
| EP2922057A1 (en) | 2014-03-21 | 2015-09-23 | Thomson Licensing | Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal |
| JP6243060B2 (ja) | 2014-03-21 | 2017-12-06 | ドルビー・インターナショナル・アーベー | 高次アンビソニックス（ｈｏａ）信号を圧縮する方法、圧縮されたｈｏａ信号を圧縮解除する方法、ｈｏａ信号を圧縮する装置および圧縮されたｈｏａ信号を圧縮解除する装置 |
| US9852737B2 (en) | 2014-05-16 | 2017-12-26 | Qualcomm Incorporated | Coding vectors decomposed from higher-order ambisonics audio signals |
| US10770087B2 (en) | 2014-05-16 | 2020-09-08 | Qualcomm Incorporated | Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals |
| EP2960903A1 (en) | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
| KR102606212B1 (ko) | 2014-06-27 | 2023-11-29 | 돌비 인터네셔널 에이비 | Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현 |
| EP3162086B1 (en) | 2014-06-27 | 2021-04-07 | Dolby International AB | Apparatus for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values |
| EP3489953B8 (en) | 2014-06-27 | 2022-06-15 | Dolby International AB | Determining a lowest integer number of bits required for representing non-differential gain values for the compression of an hoa data frame representation |
| CN106463131B (zh) | 2014-07-02 | 2020-12-08 | 杜比国际公司 | 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置 |
| WO2016001357A1 (en) | 2014-07-02 | 2016-01-07 | Thomson Licensing | Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation |
| EP2963948A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation |
| EP2963949A1 (en) | 2014-07-02 | 2016-01-06 | Thomson Licensing | Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation |
| JP2017523454A (ja) | 2014-07-02 | 2017-08-17 | ドルビー・インターナショナル・アーベー | Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置 |
| US9736606B2 (en) * | 2014-08-01 | 2017-08-15 | Qualcomm Incorporated | Editing of higher-order ambisonic audio data |
| US9747910B2 (en) | 2014-09-26 | 2017-08-29 | Qualcomm Incorporated | Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework |
| EP3007167A1 (en) | 2014-10-10 | 2016-04-13 | Thomson Licensing | Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field |
| US12087311B2 (en) | 2015-07-30 | 2024-09-10 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding an HOA representation |
| US10468037B2 (en) | 2015-07-30 | 2019-11-05 | Dolby Laboratories Licensing Corporation | Method and apparatus for generating from an HOA signal representation a mezzanine HOA signal representation |
| EP3345409B1 (en) | 2015-08-31 | 2021-11-17 | Dolby International AB | Method for frame-wise combined decoding and rendering of a compressed hoa signal and apparatus for frame-wise combined decoding and rendering of a compressed hoa signal |
| US9881628B2 (en) * | 2016-01-05 | 2018-01-30 | Qualcomm Incorporated | Mixed domain coding of audio |
| JP6674021B2 (ja) | 2016-03-15 | 2020-04-01 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 音場記述を生成する装置、方法、及びコンピュータプログラム |
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| US10777209B1 (en) | 2017-05-01 | 2020-09-15 | Panasonic Intellectual Property Corporation Of America | Coding apparatus and coding method |
| US10405126B2 (en) * | 2017-06-30 | 2019-09-03 | Qualcomm Incorporated | Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems |
| EP3818730A4 (en) * | 2018-07-03 | 2022-08-31 | Nokia Technologies Oy | Energy-ratio signalling and synthesis |
| CN110113119A (zh) * | 2019-04-26 | 2019-08-09 | 国家无线电监测中心 | 一种基于人工智能算法的无线信道建模方法 |
| CN114582357B (zh) * | 2020-11-30 | 2025-09-12 | 华为技术有限公司 | 一种音频编解码方法和装置 |
| US11743670B2 (en) | 2020-12-18 | 2023-08-29 | Qualcomm Incorporated | Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications |
| CN115938388A (zh) * | 2021-05-31 | 2023-04-07 | 华为技术有限公司 | 一种三维音频信号的处理方法和装置 |
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| WO2010093224A2 (ko) * | 2009-02-16 | 2010-08-19 | 한국전자통신연구원 | 적응적 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 |
| KR101953279B1 (ko) * | 2010-03-26 | 2019-02-28 | 돌비 인터네셔널 에이비 | 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치 |
| EP2450880A1 (en) * | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
| EP2469741A1 (en) * | 2010-12-21 | 2012-06-27 | Thomson Licensing | Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field |
| EP2665208A1 (en) | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
| CN102903366A (zh) * | 2012-09-18 | 2013-01-30 | 重庆大学 | 一种基于g729语音压缩编码算法的dsp优化方法 |
| EP2743922A1 (en) | 2012-12-12 | 2014-06-18 | Thomson Licensing | Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field |
| EP2765791A1 (en) | 2013-02-08 | 2014-08-13 | Thomson Licensing | Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field |
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